Georgian medical news · 2024
DETECTION OF MECA AND NUC GENES OF MULTI-DRUG RESISTANT STAPHYLOCOCCUS AUREUS ISOLATED FROM DIFFERENT CLINICAL SAMPLES.
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Abood S, Shihab L, Abed G, Azzawi Th, Abood A
Аннотация
BACKGROUND: During this study, six isolates of multiple antibiotic resistant Staphylococcus aureus bacteria were obtained from different clinical specimens (burn swabs, urinary tract infections, wound swabs): three isolates from burns, two isolates from urinary tract infections, and one isolate from wound swabs. They were obtained from private laboratories in Baghdad from 1/1/2023 to 3/15/2023.
METHOD: The diagnosis of these isolates was confirmed using the Vitek2 device. A susceptibility test was conducted on ten antibiotics, and S. aureus bacteria showed resistance to most antibiotics, polymerase chain reaction was done to mecA and Nuc gene by conventional PCR.
RESULTS: The results of the molecular detection of the MecA gene showed that all isolates of multi-drug-resistant S. aureus possess this gene. In contrast, the results of the molecular detection of the nuc gene showed that only isolates No. 1 and No. 4 carry this gene, while the rest of the isolates do not carry this gene.
CONCLUSION: S. aureus are resistant to antibiotics because they possess resistance genes such as the mecA gene.
METHOD: The diagnosis of these isolates was confirmed using the Vitek2 device. A susceptibility test was conducted on ten antibiotics, and S. aureus bacteria showed resistance to most antibiotics, polymerase chain reaction was done to mecA and Nuc gene by conventional PCR.
RESULTS: The results of the molecular detection of the MecA gene showed that all isolates of multi-drug-resistant S. aureus possess this gene. In contrast, the results of the molecular detection of the nuc gene showed that only isolates No. 1 and No. 4 carry this gene, while the rest of the isolates do not carry this gene.
CONCLUSION: S. aureus are resistant to antibiotics because they possess resistance genes such as the mecA gene.